de·​frost | \di-ˈfrȯst, ˈdē-ˌfrȯst\
defrosted; defrosting; defrosts

Definition of defrost 

transitive verb

1 : to release from a frozen state defrost meat

2a : to free from ice defrost a refrigerator/freezer

b : to clear (a window or windshield) with a vehicle's defroster defrost a windshield to clear it of ice and condensation

intransitive verb

: to thaw out especially from a deep-frozen state

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Other Words from defrost

defroster noun plural defrosters

Examples of defrost in a Sentence

You can defrost the soup in the microwave. Has the refrigerator defrosted yet?

Recent Examples on the Web

After two goofy fraternity pledges accidentally defrost the body of a teenager who was infected by an experimental brain-eating lifeform in the 1950s, Greek row is overwhelmed with zombies. Joyce Bautista Ferrari, Marie Claire, "The Best Horror Movies That Aren't Too Scary," 29 Oct. 2018 Now, scientists are attempting something no one has done in recent history—defrosting a station that's survived an Antarctic winter unoccupied. Sophie Weiner, Popular Mechanics, "Scientists Will Try to Thaw a Frozen, Abandoned Antarctic Base," 3 Nov. 2017 After slowly defrosting the body, the team took samples and rehydrated them. Washington Post, "Ancient ‘Iceman’ shows signs of a well-balanced last meal," 13 July 2018 After slowly defrosting the body, the team took samples and rehydrated them. NBC News, "Insides of ancient 'Iceman' shows signs of a well-balanced last meal," 12 July 2018 According to Shipnuck, the chilly relationship between the two legends began to defrost after Team USA's loss at the Ryder Cup in 2014, when Mickelson blasted U.S. captain Tom Watson and the PGA of America. Matt Bonesteel,, "Tiger Woods vs. Phil Mickelson for $10 million. What's not to love?," 6 July 2018 The following morning our running shoes were frozen solid and a family member who will go unnamed burned their laces while defrosting their shoes over the flame of the stove. Holly Brooks, Anchorage Daily News, "When the Brooks family ventured to the Brooks Range for a summer adventure, winter reared its head," 1 July 2018 By the morning, the blueberries sitting on the bottom are slightly defrosted and create a sweet blend that can then be mixed throughout. Anthea Levi,, "3 Crazy Easy Ways to Cut Back on Sugar," 7 June 2018 For defrosting advice, check out these ideas for how to use your frozen bread. Becky Krystal, charlotteobserver, "Why you should always have some bread in your freezer | Charlotte Observer," 1 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'defrost.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of defrost

1895, in the meaning defined at transitive sense 1

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Statistics for defrost

Last Updated

13 Nov 2018

Look-up Popularity

Time Traveler for defrost

The first known use of defrost was in 1895

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More Definitions for defrost



English Language Learners Definition of defrost

: to warm something that is frozen until it is no longer frozen

: to melt ice that has built up on the inside of a freezer or refrigerator

: to melt ice on a car's windows by using heat


de·​frost | \di-ˈfrȯst \
defrosted; defrosting

Kids Definition of defrost

1 : to thaw out defrost a steak

2 : to remove ice from defrost a refrigerator

Other Words from defrost

defroster noun

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More from Merriam-Webster on defrost

See words that rhyme with defrost

Spanish Central: Translation of defrost

Nglish: Translation of defrost for Spanish Speakers

Comments on defrost

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noxious or harmful

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